I had same problem. Applying proxy settings "System Wide" force aptdeamon to use proxy settings so update-manager can connect to Internet.
I think that users expect that aptdeamon uses proxy settings without pushing "Apply System Wide" button, as older Ubuntu versions.
Giovanni
I had same problem.
Applying proxy settings "System Wide" force aptdeamon to use proxy settings so update-manager can connect to Internet.
I think that users expect that aptdeamon uses proxy settings without pushing "Apply System Wide" button, as older Ubuntu versions.
Giovanni